5'11"
Prior to the 2014 draft pick, Steelers left tackle, Kelvin Beachum, was the smallest offensive lineman in the NFL at 6'3". However, in 2014, the Saints drafted Matt Armstrong, who stands at 6'2", making him the shortest offensive lineman.
NFL football players come in all shapes and sizes. In many cases the bigger the player the better especially on the offensive line. However, the shortest offensive lineman in the league is Marvin Phillip.
In the game of American football, an offensive lineman is a player who is primarily responsible for blocking.
Dave Costa - offensive lineman - was born in 1978.
Bob Fisher - offensive lineman - died in 1983-05.
I'd say that the average height is probably 5-2 to 6' I'm an 8th grade lineman and have been nominated for all stars 3 times and I'm 5-6 180Ib. It's not about height or size it's about technique
Willie Parker - offensive lineman - was born on 1948-12-28.
Brandon Barnes - offensive lineman - was born on 1985-03-23.
John Williams - offensive lineman - was born on 1947-10-27.
Fred Dean - offensive lineman - was born on 1955-03-30.
Andre Johnson - offensive lineman - was born on 1973-08-25.
Don Rogers - offensive lineman - was born on 1936-12-04.